high altitude

Sex-related Differences in Loop Gain during High-Altitude Sleep-disordered Breathing
Rationale: Central sleep apnea (CSA) is pervasive during sleep at high altitude, disproportionately impacting men and associated with …
Jordan Bird, Scott Sands, Raichel Alex, Conan Shing, Brooke Shafer, Nicholas Jendzjowsky, Richard Wilson, Trevor Day, Glen E Foster
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Sex-related Differences in Loop Gain during High-Altitude Sleep-disordered Breathing
Functional optical coherence tomography at altitude: retinal microvascular perfusion and retinal thickness at 3,800 meters
Cerebral hypoxia is a serious consequence of several cardiorespiratory illnesses. Measuring the retinal microvasculature at high …
Jacquie Baker, Mohammad Safarzadeh, Anthony Incognito, Nicholas Jendzjowsky, Glen E. Foster, Jordan Bird, Satish Raj, Trevor Day, Caroline Rickards, Natalia Zubieta-DeUrioste, Usman Alim, Richard Wilson
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The coronary vascular response to the metaboreflex at low-altitude and during acute and prolonged high-altitude in males
Myocardial oxygen delivery is primarily regulated through changes in vascular tone to match increased metabolic demands. In males, …
Austin White, Lindsey Boulet, Brooke Shafer, Tyler Vermeulen, Taylor Atwater, Mike Stembridge, Philip Ainslie, Richard Wilson, Trevor Day, Glen E. Foster
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The coronary vascular response to the metaboreflex at low-altitude and during acute and prolonged high-altitude in males
Acid-base balance at high altitude in lowlanders and indigenous highlanders
High-altitude exposure results in a hyperventilatory-induced respiratory alkalosis followed by renal compensation (bicarbonaturia) to …
Michael Tymko, Christopher Willie, Connor Howe, Ryan Hoiland, Rachel Stone, Kaitlyn Tymko, Courtney Tymko, David MacLeod, James Anholm, Christopher Gasho, Francisco Villafuerte, Gustavo Vizcardo-Galindo, Romulo Figueroa-Mujica, Trevor Day, Jordan Bird, Glen E. Foster, Craig Steinback, Julien Brugniaux, Benoit Champigneulle, Emeric Stauffer, Stephane Doutreleau, Samuel Verges, Erik Swenson, Philip Ainslie
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Acid-base balance at high altitude in lowlanders and indigenous highlanders
Time course and magnitude of ventilatory and renal acid-base acclimatization following rapid ascent to and residence at 3,800 m over nine days
Rapid ascent to high altitude imposes an acute hypoxic and acid-base challenge, with ventilatory and renal acclimatization countering …
Jordan D. Bird, Jack K. Leacy, Glen E. Foster, Caroline A. Rickards, Richard J. A. Wilson, Ken D. O’Halloran, Nicholas G. Jendzjowsky, Brandon A. Pentz, Britta R. M. Byman, Scott F. Thrall, Alexandra L. Skalk, Sarah A. Hewitt, Craig D. Steinback, David Burns, Peter Ondrus, Trevor A. Day
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Time course and magnitude of ventilatory and renal acid-base acclimatization following rapid ascent to and residence at 3,800 m over nine days
Reduced blood flow through intrapulmonary arteriovenous anastomoses during exercise in lowlanders acclimatizing to high altitude.
What is the central question of this study? The aim was to determine, using the technique of agitated saline contrast echocardiography, …
Lindsey M Boulet, Andrew T Lovering, Michael M Tymko, Trevor A Day, Mike Stembridge, Trang Anh Nguyen, Philip N Ainslie, Glen E Foster
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Changes in cerebral vascular reactivity and structure following prolonged exposure to high altitude in humans
Although high-altitude exposure can lead to neurocognitive impairment, even upon return to sea level, it remains unclear the extent to …
Glen E. Foster, Jodie Davies-Thompson, Paolo B. Dominelli, Manraj K. S. Heran, Joseph Donnelly, Gregory R. duManoir, Philip N. Ainslie, Alexander Rauscher, A. William Sheel
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End tidal-to-arterial CO$_textrm2$ and O$_textrm2$ gas gradients at low- and high-altitude during dynamic end-tidal forcing.
We sought to characterize and quantify the performance of a portable dynamic end-tidal forcing (DEF) system in controlling the partial …
Michael M Tymko, Philip N Ainslie, David B MacLeod, Chris K Willie, Glen E Foster
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